<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        /*
            生命周期总结
                重要的三个
                即将废弃的两个
                新增加的两个
                未完待续...
        */




    </script>
</body>

</html>